DRT-4418 Refactor EDI specific chroma functions
DRT-4418 Refactor EDI specific chroma functions

somanythings/drt-scalajs-spa-exploration,UKHomeOffice/drt-scalajs-spa-exploration,somanythings/drt-scalajs-spa-exploration,UKHomeOffice/drt-scalajs-spa-exploration,UKHomeOffice/drt-scalajs-spa-exploration,somanythings/drt-scalajs-spa-exploration,somanythings/drt-scalajs-spa-exploration